Category:Mainframe computers

• Mainframe computer (computing)
• Master the Mainframe Contest (computing)

A

• ASG Technologies (company)

B

• BESM (computing)
• BS2000 (software)

C

• CDC 1604 (computing)
• CDC 3000 series (computing)

D

• DBC 1012 (computing)

E

• Elbrus (computer) (engineering)
• Electrologica X8 (computing)
• ESCON (computing)
• ETA Systems (computing)

F

• Ferranti Orion (computing)
• Ferranti-Packard 6000 (computing)
• Flex machine (computing)
• Front-end processor (computing)

H

• HITAC S-3000 (computing)

I

• IBM 2501 (computing)
• Irma board (computing)

M

• Minsk family of computers (computing)

N

• NCR 315 (computing)
• NCR Century 100 (computing)

O

• Open mainframe (computing)
• Open Mainframe Project (computing)

P

• Phoenix (computer) (engineering)

R

• RCA Spectra 70 (computing)

S

• SDS 940 (engineering)
• SDS Sigma series (computing)
• Strela computer (engineering)

T

• Telecommunication control unit (computing)
• TENET 210 (computing)
• Terminal Productivity Executive (computing)
• Ternac (computing)
• TN3270 Plus (software)

X

• Xerox 500 series (computing)
• Xerox Sigma 9 (engineering)